dog violet
noun
1- a scentless wild violet, typically having purple or lilac flowers里文堇菜。
1.1
- Genus Viola, family Violaceae: several species, in particular the common dog violet (V. riviniana).堇菜属, 堇菜科, 数种, 尤指里文堇菜（拉丁名V. riviniana）。